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Finding the Fourth Proportional to 289,997.40, 436,032.90 and 244,378.20

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Solution

The fourth proportional to 289,997.40, 436,032.90 and 244,378.20 is: 367,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,997.40 : 436,032.90 = 244,378.20 : x
  2. Step 2: Convert to fraction form
    289,997.40/436,032.90 = 244,378.20/x
  3. Step 3: Cross multiply
    289,997.40x = 436,032.90 × 244,378.20
  4. Step 4: Simplify right side
    289,997.40x = 106,556,935,242.78
  5. Step 5: Solve for x
    x = 106,556,935,242.78/289,997.40
  6. Step 6: Final answer
    x = 367,441.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.